The BGS Lexicon of Named Rock Units — Result Details
Pumphouse Member
| Computer Code: | PMP | Preferred Map Code: | PMP |
|---|---|---|---|
| Status Code: | Full | ||
| Age range: | Burrellian Stage (OK) — Burrellian Stage (OK) | ||
| Lithological Description: | Mudstone. | ||
| Definition of Lower Boundary: | Where seen, the mudstone unit overlies the Doon Hill Conglomerate Member of the Balclatchie Formation. | ||
| Definition of Upper Boundary: | The mudstone unit is overlain by the Burn Side Conglomerate Member of the Balclatchie Formation (where seen). | ||
| Thickness: | Estimated at about 10m | ||
| Geographical Limits: | The Girvan area of southwest Scotland. | ||
| Parent Unit: | Balclatchie Formation (BCH) | ||
| Previous Name(s): | Balclatchie Mudstones [Obsolete Name And Code: Use BCH]
(BBM)
Balclatchie Beds [Obsolete Name and Code: Use PMP, BCH] (-3823) |
||
| Alternative Name(s): | none recorded or not applicable | ||
| Stratotypes: | |||
| Type Area | Balclatchie Farm area. Williams, 1962. | ||
| Reference(s): | |||
| Fortey, R A, Harper, D A T, Ingham, J K, Owen, A W, Parkes, M A, Rushton, A W A and Woodcock, N H. 2000. A revised correlation of Ordovician rocks in the British Isles. Geological Society Special Report, No.24. | |||
| Williams, A, 1962. The Barr and Lower Ardmillan Series (Caradoc) of the Girvan district, southwest Ayrshire, with descriptions of the Brachiopoda. Memoir of the Geological Society of London, No.3. | |||
| 1:50K maps on which the lithostratigraphical unit is found, and map code used: | |||
| none recorded or not applicable | |||